Thanks, Mike. The photo I saw was not installed, just photographed glass bowl down. Sorry if it seemed to be a silly question, but on some compressors the water separator bowl is facing down. I wasn’t sure if the reasoning wasn’t the same. Having never seen a running Alpine upclose and personal, I tend to get a little paranoid about odd little things…especially since I’ve run across a few "odd little things" about this car, like the mixture of SAE and metric bolts.